D Aluminium, chromium and manganese are all moderately reactive metals. Use the following information to arrange them in the correct reactivity
series order. Start with the most reactive one.
Chromium is manufactured by heating chromium(III) oxide with aluminium.
If manganese is heated with aluminium oxide there is no reaction.
- If manganese is heated with chromium(III) oxide, chromium is produced,

pure substance: iron,copper

impure substance: water,charcoal

state the principle of separating two immiscible liquids by separating funnel. describe an activity with diagram to separate a mixture of water and kerosene oil. answer: immiscible layers separate out in layers depending on their densities in separating funne

i can ! i just need to know what the paragraph is! : p

a boiling water reactor does not boil the water. a pressurized water reactor boils the water faster. a pressurized water reactor is heated directly by the core. a pressurized water reactor does not use fission.